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/*
* xlogutils.h
*
* PostgreSQL transaction log manager utility routines
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/xlogutils.h,v 1.14 2004/02/11 22:55:25 tgl Exp $
*/
#ifndef XLOG_UTILS_H
#define XLOG_UTILS_H
#include "access/rmgr.h"
#include "storage/buf.h"
#include "storage/itemptr.h"
#include "utils/rel.h"
extern int XLogIsOwnerOfTuple(RelFileNode hnode, ItemPointer iptr,
TransactionId xid, CommandId cid);
extern bool XLogIsValidTuple(RelFileNode hnode, ItemPointer iptr);
extern void XLogInitRelationCache(void);
extern void XLogCloseRelationCache(void);
extern Relation XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode);
extern void XLogCloseRelation(RelFileNode rnode);
extern Buffer XLogReadBuffer(bool extend, Relation reln, BlockNumber blkno);
#endif
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